/*
解决边框塌陷和外边距重叠问题：.clearfix
小DOM快速居中：.fatherCenter  .childCenter
table表格的样式：border="1" cellpadding="10"
鼠标放上去为手形状：cursor: pointer;
文本阴影：box-shadow: 0 12px 24px 0 rgba(80, 157, 230, 0.15);
否定伪类选择器：    .myset>ul>li:not(:last-child)
*/
html,
body,
div,
span,
applet,
object,
iframe,
/* h1,
h2,
h3,
h4,
h5,
h6,*/ 
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
/* tr,
th,
td, */
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}
body {
  line-height: 1;
}
ol,
ul {
  list-style: none;
}
blockquote,
q {
  quotes: none;
}
blockquote:before,
blockquote:after,
q:before,
q:after {
  content: "";
  content: none;
}

/***************************************/
a {
  text-decoration: none; /*对于链接下划线去除 */
}

/* 解决边框塌陷和外边距重叠问题 */
.clearfix::before,
.clearfix::after {
  content: "";
  display: table;
  clear: both;
}
/* 小DOM快速居中 */
.fatherCenter {
  position: relative;
}
.childCenter {
  position: absolute;
  left: 50%;
  /* transform: translateX(-50%); */
  /*选择是否垂直居中*/
  top: 50%;
  transform: translate(-50%, -50%);
}
